Oregon Constitution Art. X-A § 3

(1) Notwithstanding sections 10 and 10a, Article IV of this Constitution, the Legislative Assembly may convene in a place other than the Capitol of the State if the Governor or the Legislative Assembly determines that the Capitol is inaccessible.

(2) Notwithstanding section 12, Article IV of this Constitution, during any period of time when members of the Legislative Assembly are unable to compel the attendance of two-thirds of the members of each house because the catastrophic disaster has made it impossible to locate members or impossible for them to attend, two-thirds of the members of each house who are able to attend shall constitute a quorum to do business.

(3) In a session of the Legislative Assembly that is called because of the catastrophic disaster or that was imminent or ongoing at the time the catastrophic disaster was declared, the number of members of each house that constitutes a quorum under subsection (2) of this section may suspend the rule regarding reading of bills under the same circumstances and in the same manner that two-thirds of the members may suspend the rule under section 19, Article IV of this Constitution.

(4) Notwithstanding section 25, Article IV of this Constitution, during any period of time when members of the Legislative Assembly are unable to compel the attendance of two-thirds of the members of each house because the catastrophic disaster has made it impossible to locate members or impossible for them to attend, three-fifths of the members of each house who are able to attend a session described in subsection (3) of this section shall be necessary to pass every bill or joint resolution.

(5) Notwithstanding section 1a, Article IX of this Constitution, the Legislative Assembly may declare an emergency in any bill regulating taxation or exemption, including but not limited to any bill that decreases or suspends taxes or postpones the due date of taxes, if the Legislative Assembly determines that the enactment of the bill is necessary to provide an adequate response to the catastrophic disaster.